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City of KwinanaPopulation forecast

City of Kwinana

Population and age structure

Between 2016 and 2026, the age structure forecasts for the City of Kwinana indicate a NaN% stable trend in population under working age, a NaN% stable trend in population of retirement age, and a NaN% stable trend in population of working age.

Knowledge of how the age structure of the population is changing is essential for planning age-based facilities and services, such as child care, recreation and aged care.

The forecast age groups of the City of Kwinana is a function of the current age of the population (people aging each year, being born and dying) as well as the age of people migrating into and out of the area. This in turn is driven by location (fringe, city centre, regional or rural) the existing housing stock (separate dwellings, medium or high density), the amount and type of new residential development (same as existing stock, or diversifying) and where the area is in a cycle of change. We call this the area’s residential role and function. You can learn more about this in the section household and suburb life cycles.

Forecast age structure - Service age groups
City of Kwinana - Total persons201620262036Change between 2016 and 2036
Age group (years)Number%Number%Number%Number
Babies and pre-schoolers (0 to 4)3,5828.95,8159.27,7629.1+4,180
Primary schoolers (5 to 11)4,03710.06,59110.59,03310.6+4,996
Secondary schoolers (12 to 17)2,7306.84,5907.36,1737.2+3,443
Tertiary education and independence (18 to 24)4,13010.26,40510.28,52010.0+4,390
Young workforce (25 to 34)8,07120.011,65918.515,41218.1+7,341
Parents and homebuilders (35 to 49)8,64821.513,58421.617,69420.8+9,046
Older workers and pre-retirees (50 to 59)3,9509.86,0339.68,4249.9+4,474
Empty nesters and retirees (60 to 69)2,8147.04,2096.75,8946.9+3,080
Seniors (70 to 84)2,0285.03,3645.35,0966.0+3,068
Elderly aged (85 and over)3150.86511.01,1501.4+835
Total persons40,305100.062,902100.085,158100.0+44,853
Population and household forecasts, 2016 to 2036, prepared by .id , the population experts, March 2018.

Key findings

In 2016, the dominant age structure for persons in the City of Kwinana was ages Parents and homebuilders (35 to 49), which accounted for 21.5% of the total persons.

The largest increase in persons between 2016 and 2026 is forecast to be in ages Parents and homebuilders (35 to 49), which is expected to increase by 4,936 and account for 21.6% of the total persons.

The largest 5 year age group in 2026 is Parents and homebuilders (35 to 49) years, with a total of 13,584 persons.

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